Temperature/volume control knob



FIG. 1 is a perspective view of the new design for a control knob

FIG. 2 is a front elevational view of the new design for a control knob;

FIG. 3 is a rear elevational view of the new design for a control knob;

FIG. 4 is a top plan view of the new design for a control knob

FIG. 5 is a bottom plan view of the new design for a control knob;

FIG. 6 is a right side elevational view of the new design for a control knob; and,

FIG. 7 is a left side elevational view of the new design for a control knob. 

The ornamental design for a temperature/volume control knob, as shown. 